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Abstract

Concerns about the effect of pumping contaminated flood waters into Lake Pontchartrain following the hurricanes of 2005 prompted the U.S. Geological Survey (USGS) to sample street mud, canal-suspended sediment, and bottom sediment in Lake Pontchartain. The samples were analyzed for a wide variety of potential inorganic and organic contaminants. Results indicate that contamination of lake sediment relative to other urban lakes and to accepted sedimentquality guidelines was limited to a relatively small area offshore from the Metairie Outfall Canal (popularly known as the 17th Street Canal) and that this contamination is probably transient.

Study Area

Additional Publication Details

Publication type:

Report

Publication Subtype:

USGS Numbered Series

Title:

Effects of Hurricanes Katrina and Rita on the chemistry of bottom sediments in Lake Pontchartrain, La.: Chapter 7F in Science and the storms-the USGS response to the hurricanes of 2005

Series title:

Circular

Series number:

1306

Chapter:

7F

Year Published:

2007

Language:

English

Publisher:

U.S. Geological Survey

Publisher location:

Reston, VA

Contributing office(s):

National Wetlands Research Center

Description:

6 p.

Larger Work Type:

Report

Larger Work Subtype:

USGS Numbered Series

Larger Work Title:

Science and the storms-the USGS response to the hurricanes of 2005 (Circular 1306)

First page:

225

Last page:

230

Country:

United States

State:

Louisiana

Other Geospatial:

Lake Pontchartrain

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